Glow-worm Ultracom 18sxi Installation And Servicing page 25

10 Standard Flue - Length, Preparation and Installation
10.7 Standard Horizontal Flue - A2043400
Refer to diagram 10.11 for kit contents.
10.8 REAR Flue
With the flue elbow temporarily fitted, measure the distance
from the outside wall to the butt joint, see diagram 10.13. If
the measurement 'Y' exceeds 665mm, then the appropriate
length of extension pipe is required. The minimum dimension
is 187mm to suit a 75mm min wall thickness. The flue can
project to a maximum of 600mm, if this is desirable, refer to
diagram 10.14.
10.9 SIDE Flue
With the flue elbow temporarily fitted, measure the distance
from the outside wall to the butt joint, see diagram 10.15. If
Diagram 10.13
the measurement 'Y' exceeds 665mm, then the appropriate
length of extension pipe is required. The minimum dimension
for Lhd is 254 and Rhd 226 to suit a minimum wall thickness
of 75mm. The flue can project to a maximum of 600mm, if
this is desirable, refer to diagram 10.14.
Diagram 10.14
Left Hand illustrated
Diagram 10.15
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